Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 09:28

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260705-lfmncabt8s
  • SHA256 cf60fa812f2537de8b41b79cf06b328819f55f5fd837ff5f8728e7ee5257df9d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • jbhm239.net/:6606

  • jbhm239.net/:7707

  • jbhm239.net/:8808

  • jbhm239.net/:443

  • jbhm239.net/:80

  • jbhm239.net/:8844

  • jbhm239.net/:22

  • jbhm239.net/:53

  • zhavz373.net/:6606

  • zhavz373.net/:7707

  • zhavz373.net/:8808

  • zhavz373.net/:443

  • zhavz373.net/:80

  • zhavz373.net/:8844

  • zhavz373.net/:22

  • zhavz373.net/:53

  • tongkubet.com:6606

  • tongkubet.com:7707

  • tongkubet.com:8808

  • tongkubet.com:443

Mutex

  • Dpdje9Xzr8LU

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2696

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/2696-0-0x00000000743C2000-0x00000000743C3000-memory.dmp
        Download

        memory/2696-1-0x0000000000E90000-0x0000000000EA2000-memory.dmp
        Download

        memory/2696-2-0x00000000743B0000-0x0000000074B6C000-memory.dmp
        Download

        memory/2696-3-0x00000000743C2000-0x00000000743C3000-memory.dmp
        Download

        memory/2696-4-0x00000000743B0000-0x0000000074B6C000-memory.dmp
        Download